lcm/lcm/nf/vnfs/vnf_cancel/term_vnf.py

   1 # Copyright 2017 ZTE Corporation.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14 import logging
  15 import traceback
  16 from threading import Thread
  17
  18 from lcm.nf.vnfs.const import VNF_STATUS
  19 from lcm.pub.database.models import JobStatusModel, NfInstModel, VmInstModel, NetworkInstModel, StorageInstModel, \
  20     FlavourInstModel, PortInstModel, SubNetworkInstModel, NfvoRegInfoModel
  21 from lcm.pub.exceptions import NFLCMException
  22 from lcm.pub.msapi.nfvolcm import apply_grant_to_nfvo
  23 from lcm.pub.utils.jobutil import JobUtil
  24 from lcm.pub.utils.values import ignore_case_get
  25
  26 logger = logging.getLogger(__name__)
  27
  28
  29 class TermVnf(Thread):
  30     def __init__(self, data, nf_inst_id, job_id):
  31         super(TermVnf, self).__init__()
  32         self.data = data
  33         self.nf_inst_id = nf_inst_id
  34         self.job_id = job_id
  35         self.terminationType = ignore_case_get(self.data, "terminationType")
  36         self.gracefulTerminationTimeout = ignore_case_get(self.data, "gracefulTerminationTimeout")
  37         self.inst_resource = {'volumn': [],  # [{"vim_id": ignore_case_get(ret, "vim_id")},{}]
  38                               'network': [],
  39                               'subnet': [],
  40                               'port': [],
  41                               'flavor': [],
  42                               'vm': [],
  43                               }
  44
  45     def run(self):
  46         try:
  47             self.term_pre()
  48             self.query_inst_resource(self.nf_inst_id)
  49             # self.grant_resource()
  50             JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
  51             is_exist = JobStatusModel.objects.filter(jobid=self.job_id).exists()
  52             logger.debug("check_ns_inst_name_exist::is_exist=%s" % is_exist)
  53         except NFLCMException as e:
  54             logger.error('VNF instantiation failed, detail message: %s' % e.message)
  55             # NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
  56             JobUtil.add_job_status(self.job_id, 255, e.message)
  57             # self.vnf_term_failed_handle(e.message)
  58         except:
  59             # self.vnf_term_failed_handle('unexpected exception')
  60             logger.error(traceback.format_exc())
  61
  62     def term_pre(self):
  63         vnf_insts = NfInstModel.objects.filter(pk=self.nf_inst_id)
  64         if not vnf_insts.exists():
  65             raise NFLCMException('VnfInst(%s) does not exist' % self.nf_inst_id)
  66         sel_vnf = vnf_insts[0]
  67         if sel_vnf.instantiationState != 'VNF_INSTANTIATED':
  68             raise NFLCMException("No instantiated vnf")
  69         if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
  70             raise NFLCMException("Graceful termination must set timeout")
  71         # get nfvo info
  72         JobUtil.add_job_status(self.job_id, 5, 'Get nfvo connection info')
  73         self.load_nfvo_config()
  74
  75         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
  76
  77         JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
  78         logger.info("Nf terminating pre-check finish")
  79
  80     def query_inst_resource(self, inst_id):
  81         logger.info('[query_resource begin]:inst_id=%s' % inst_id)
  82         # query_volumn_resource
  83         vol_list = StorageInstModel.objects.filter(instid=inst_id,
  84                                                    is_predefined=1)
  85         for vol in vol_list:
  86             vol_info = {}
  87             if not vol.resouceid:
  88                 continue
  89             vol_info["res_id"] = vol.resouceid
  90             vol_info["vim_id"] = vol.vimid
  91             self.inst_resource['volumn'].append(vol_info)
  92         logger.info('[query_volumn_resource]:ret_volumns=%s' % self.inst_resource['volumn'])
  93
  94         # query_network_resource
  95         network_list = NetworkInstModel.objects.filter(instid=inst_id,
  96                                                        is_predefined=1)
  97         for network in network_list:
  98             network_info = {}
  99             if not network.resouceid:
 100                 continue
 101             network_info["res_id"] = network.resouceid
 102             network_info["vim_id"] = network.vimid
 103             self.inst_resource['network'].append(network_info)
 104         logger.info('[query_network_resource]:ret_networks=%s' % self.inst_resource['network'])
 105
 106         # query_subnetwork_resource
 107         subnetwork_list = SubNetworkInstModel.objects.filter(instid=inst_id,
 108                                                        is_predefined=1)
 109         for subnetwork in subnetwork_list:
 110             subnetwork_info = {}
 111             if not subnetwork.resouceid:
 112                 continue
 113             subnetwork_info["res_id"] = subnetwork.resouceid
 114             subnetwork_info["vim_id"] = subnetwork.vimid
 115             self.inst_resource['subnet'].append(subnetwork_info)
 116         logger.info('[query_subnetwork_resource]:ret_networks=%s' % self.inst_resource['subnet'])
 117
 118         # query_port_resource
 119         port_list = PortInstModel.objects.filter(instid=inst_id,
 120                                                        is_predefined=1)
 121         for port in port_list:
 122             port_info = {}
 123             if not port.resouceid:
 124                 continue
 125             port_info["res_id"] = port.resouceid
 126             port_info["vim_id"] = port.vimid
 127             self.inst_resource['port'].append(port_info)
 128         logger.info('[query_port_resource]:ret_networks=%s' % self.inst_resource['port'])
 129
 130         # query_flavor_resource
 131         flavor_list = FlavourInstModel.objects.filter(instid=inst_id,
 132                                                        is_predefined=1)
 133         for flavor in flavor_list:
 134             flavor_info = {}
 135             if not flavor.resouceid:
 136                 continue
 137             flavor_info["res_id"] = flavor.resouceid
 138             flavor_info["vim_id"] = flavor.vimid
 139             self.inst_resource['flavor'].append(flavor_info)
 140         logger.info('[query_flavor_resource]:ret_networks=%s' % self.inst_resource['flavor'])
 141
 142         # query_vm_resource
 143         vm_list = VmInstModel.objects.filter(instid=inst_id,
 144                                              is_predefined=1)
 145         for vm in vm_list:
 146             vm_info = {}
 147             if not vm.resouceid:
 148                 continue
 149             vm_info["res_id"] = vm.resouceid
 150             vm_info["vim_id"] = vm.vimid
 151             self.inst_resource['vm'].append(vm_info)
 152         logger.info('[query_vm_resource]:ret_vms=%s' % self.inst_resource['vm'])
 153
 154     def grant_resource(self):
 155         logger.info("nf_cancel_task grant_resource begin")
 156         JobUtil.add_job_status(self.job_id, 30, 'nf_cancel_task grant_resource')
 157         reg_info = NfvoRegInfoModel.objects.filter(vnfminstid=self.vnfm_inst_id).first()
 158         nf_info = NfInstModel.objects.filter(nfinstid=self.vnf_inst_id).first()
 159         content_args = {'nfvoInstanceId': reg_info.nfvoid, 'vnfmInstanceId': self.vnfm_inst_id,
 160                         'nfInstanceId': self.vnf_inst_id, 'nfDescriptorId': nf_info.vnf_id,
 161                         'lifecycleOperation': 'Terminal', 'jobId': '', 'addResource': [],
 162                         'removeResource': [], 'placementConstraint': [], 'exVimIdList': [], 'additionalParam': {}}
 163
 164         content_args['removeResource'] = self.get_grant_data()
 165
 166         logger.info('content_args=%s' % content_args)
 167         rsp = apply_grant_to_nfvo(content_args)
 168         logger.info("nf_cancel_task grant_resource rsp: %s" % rsp)
 169         if rsp[0] != 0:
 170             logger.error("nf_cancel_task grant_resource failed.[%s]" % str(rsp[1]))
 171         logger.info("nf_cancel_task grant_resource end")
 172
 173     def load_nfvo_config(self):
 174         logger.info("[NF instantiation]get nfvo connection info start")
 175         reg_info = NfvoRegInfoModel.objects.filter(vnfminstid='vnfm111').first()
 176         if reg_info:
 177             self.vnfm_inst_id = reg_info.vnfminstid
 178             self.nfvo_inst_id = reg_info.nfvoid
 179             logger.info("[NF instantiation] Registered nfvo id is [%s]" % self.nfvo_inst_id)
 180         else:
 181             raise NFLCMException("Nfvo was not registered")
 182         logger.info("[NF instantiation]get nfvo connection info end")